SkySensor 2000 in excellent condition. I have used the SkySensor on my Vixen GP with excellent results, tracks like no other unit I have used before. I am moving up to a large Dob so I am sacrificing my SkySensor. It comes with the RS-232 cable original box and original instructions. It has a 13,942 object database and PEC functions to really tune the tracking. The SkySensor 2000 will work on a Vixen GP, GP-DX or on a Celestron CG-5 mount. Orion Telescopes currently sells the SkySensor 2000 for $899, I will part with it for $700 firm.